JPH0949786A - Method and device for estimation of noise of toothed belt driving mechanism - Google Patents
Method and device for estimation of noise of toothed belt driving mechanismInfo
- Publication number
- JPH0949786A JPH0949786A JP7202033A JP20203395A JPH0949786A JP H0949786 A JPH0949786 A JP H0949786A JP 7202033 A JP7202033 A JP 7202033A JP 20203395 A JP20203395 A JP 20203395A JP H0949786 A JPH0949786 A JP H0949786A
- Authority
- JP
- Japan
- Prior art keywords
- tooth
- pulley
- load
- toothed belt
- transmission mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、歯付きベルト伝動
機構においてベルトとプーリの噛み合いにより発生する
騒音レベルを評価する方法と装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for evaluating a noise level generated by meshing between a belt and a pulley in a toothed belt transmission mechanism.
【０００２】[0002]
【従来の技術】自動車用のエンジンにおいてカム軸を回
転駆動する歯付きベルト伝動機構の騒音レベルを評価す
る場合、エンジンは、歯付きベルト伝動機構やその他の
機構の機械音、燃焼音や吸排気音などを発生するので、
歯付きベルト伝動機構から発生する騒音をその他の騒音
から分離するため、歯付きベルト伝動機構以外の騒音発
生源を遮音材で覆うカバーリングを行ない、エンジンか
ら所定の距離に騒音計のマイクを配置する。2. Description of the Related Art When evaluating the noise level of a toothed belt drive mechanism for driving a camshaft in an automobile engine, the engine must be a mechanical sound, a combustion noise, an intake and exhaust of the toothed belt drive mechanism and other mechanisms. Because it produces sounds,
In order to separate the noise generated from the toothed belt drive mechanism from other noises, the noise source other than the toothed belt drive mechanism is covered with a sound insulation material, and the microphone of the sound level meter is placed at a predetermined distance from the engine. To do.
【０００３】また、歯付きベルト伝動機構の騒音評価試
験機においては、歯付きベルト伝動機構の外に、駆動プ
ーリを回転駆動するモータや、従動プーリで回転駆動さ
れる動力吸収機などが騒音を発生するので、エンジンの
場合と同様に、歯付きベルト伝動機構以外の騒音発生源
を遮音材で覆うカバーリングまたは仕切りを行ない、歯
付きベルト伝動機構から所定の距離に騒音計のマイクを
配置する。Further, in the noise evaluation tester for the toothed belt transmission mechanism, in addition to the toothed belt transmission mechanism, a motor for rotating the drive pulley and a power absorber rotationally driven by the driven pulley generate noise. As with the engine, cover the noise source other than the toothed belt transmission mechanism with a sound insulating material or partition it and place the microphone of the sound level meter at a predetermined distance from the toothed belt transmission mechanism. .
【０００４】[0004]
【発明が解決しようとする課題】ところが、自動車用エ
ンジンのような実際の装置や騒音評価試験機において、
歯付きベルト伝動機構以外の騒音発生源を遮音材で覆う
カバーリングや仕切りには多くの手間がかかる。その
上、歯付きベルト伝動機構から発生する騒音をその他の
騒音から完全に分離することは極めて困難であるので、
歯付きベルト伝動機構の騒音レベルを正確に評価し難
い。However, in an actual device such as an automobile engine or a noise evaluation tester,
It takes a lot of work to cover and partition the noise sources other than the toothed belt transmission mechanism with a sound insulating material. Moreover, it is extremely difficult to completely separate the noise generated from the toothed belt transmission mechanism from other noises,
It is difficult to accurately evaluate the noise level of the toothed belt drive mechanism.
【０００５】即ち、歯付きベルト伝動機構の騒音レベル
を簡単にかつ正確に評価することができない。That is, the noise level of the toothed belt transmission mechanism cannot be evaluated easily and accurately.
【０００６】[0006]
【課題を解決するための着眼】本発明者は、歯付きベル
ト伝動機構において、ベルトとプーリの噛み合いにより
発生する騒音レベルは、ベルトの歯との噛み合いにより
プーリの歯に加わる荷重と相関があることに着眼し、プ
ーリの歯荷重を検出して、ベルトとプーリの噛み合いに
よる騒音レベルを評価することを考え付いた。The present inventors have found that in the toothed belt transmission mechanism, the noise level generated by the meshing of the belt and the pulley is correlated with the load applied to the pulley tooth by the meshing of the belt tooth. In particular, he came up with the idea of detecting the tooth load of the pulley and evaluating the noise level due to the meshing of the belt and the pulley.
【０００７】[0007]
【課題を解決するための手段】本発明は、歯付きベルト
伝動機構のベルトとプーリの噛み合いによりプーリの歯
に加わる荷重を検出し、ベルトとプーリの噛み合いによ
る騒音レベルと相関のあるプーリの歯荷重に基づいて、
ベルトとプーリの噛み合いによる騒音レベルを評価する
歯付きベルト伝動機構の騒音評価方法である。SUMMARY OF THE INVENTION The present invention detects a load applied to a tooth of a pulley by the meshing of the belt and the pulley of a toothed belt transmission mechanism, and detects the tooth of the pulley having a correlation with a noise level due to the meshing of the belt and the pulley. Based on the load
This is a noise evaluation method for a toothed belt transmission mechanism that evaluates the noise level due to meshing between a belt and a pulley.
【０００８】また、本発明は、歯付きベルト伝動機構の
ベルトとプーリの噛み合いによりプーリの歯に加わる荷
重を検出する歯荷重検出器を設け、歯荷重検出器の出力
からベルトとプーリの噛み合いによる騒音レベルと相関
のあるプーリの歯荷重を求める演算装置を設け、演算装
置の出力を表示する表示装置を設けた歯付きベルト伝動
機構の騒音評価装置である。Further, according to the present invention, a tooth load detector for detecting the load applied to the teeth of the pulley by the meshing of the belt and the pulley of the toothed belt transmission mechanism is provided, and the output of the tooth load detector determines the meshing of the belt and the pulley. A noise evaluation device for a toothed belt transmission mechanism provided with a calculation device for obtaining the tooth load of a pulley having a correlation with a noise level and a display device for displaying the output of the calculation device.
【０００９】[0009]
【発明の効果】本発明においては、歯付きベルト伝動機
構のベルトとプーリの噛み合いによる騒音レベルを評価
するに当たり、ベルトとプーリの噛み合いによりプーリ
の歯に加わる荷重を検出するので、歯付きベルト伝動機
構の噛み合いにより発生する騒音をその他の騒音から分
離するカバーリングが不要である。歯付きベルト伝動機
構の噛み合いによる騒音レベルを簡単にかつ正確に評価
することができる。According to the present invention, in evaluating the noise level due to the meshing between the belt and the pulley of the toothed belt transmission mechanism, the load applied to the teeth of the pulley is detected by the meshing between the belt and the pulley. There is no need for a cover ring that separates the noise generated by the meshing of the mechanism from other noise. It is possible to easily and accurately evaluate the noise level due to the meshing of the toothed belt transmission mechanism.
【００１０】[0010]
＜第１例＞本例は、歯付きベルト伝動機構の騒音評価試
験機である。<First Example> This example is a noise evaluation tester for a toothed belt transmission mechanism.
【００１１】この試験機は、図１と図２に示すように、
基盤１に駆動モータ２と動力吸収機３を取り付け、駆動
モータ２と動力吸収機３の並列した回転軸に歯付きの駆
動プーリ４と歯付きの従動プーリ５を固定している。This testing machine, as shown in FIGS. 1 and 2,
The drive motor 2 and the power absorber 3 are attached to the base 1, and the toothed drive pulley 4 and the toothed driven pulley 5 are fixed to the rotating shafts of the drive motor 2 and the power absorber 3 arranged in parallel.
【００１２】基盤１には、図１と図２に示すように、支
柱６を設立し、支柱６に昇降可能に軸受した回転軸にテ
ンションローラ７を固定し、テンションローラ７を駆動
プーリ４と従動プーリ５の間に配置している。As shown in FIGS. 1 and 2, a support 6 is established on the base 1, and a tension roller 7 is fixed to a rotating shaft which is supported by the support 6 so as to be able to move up and down. It is arranged between the driven pulleys 5.
【００１３】駆動プーリ４と従動プーリ５の間には、図
１と図２に示すように、歯付きのベルト８を掛け渡し、
ベルト８の内周面の歯を駆動プーリ４の歯と従動プーリ
５の歯にそれぞれ噛み合わせ、ベルト８の外周面を昇降
可能なテンションローラ７に当てて、ベルト８に所望の
張力を加えている。Between the drive pulley 4 and the driven pulley 5, as shown in FIGS.
The teeth on the inner peripheral surface of the belt 8 are meshed with the teeth of the drive pulley 4 and the teeth of the driven pulley 5, respectively, and the outer peripheral surface of the belt 8 is applied to the tension roller 7 which can be raised and lowered to apply a desired tension to the belt 8. There is.
【００１４】支柱６には、図１と図２に示すように、テ
ンションローラ７に作用する力を測定するロードセルを
取り付けて、ベルト８の張力を検出する検出器９を構成
している。As shown in FIGS. 1 and 2, a load cell for measuring the force acting on the tension roller 7 is attached to the support column 6 to constitute a detector 9 for detecting the tension of the belt 8.
【００１５】駆動モータ２には、図１と図２に示すよう
に、その回転軸に固定した作動片で作動する近接スイッ
チを取り付けて、駆動プーリ４の回転を検出する検出器
１０を構成している。この検出器１０は、計数器と組み
合わせて駆動プーリ４の回転数を検出し、また、時計と
組み合わせて駆動プーリ４の回転速度を検出する。As shown in FIGS. 1 and 2, the drive motor 2 is provided with a proximity switch which is actuated by an actuating piece fixed to its rotation shaft to constitute a detector 10 for detecting the rotation of the drive pulley 4. ing. This detector 10 detects the number of rotations of the drive pulley 4 in combination with a counter, and detects the rotation speed of the drive pulley 4 in combination with a timepiece.
【００１６】駆動プーリ４には、図３に示すように、１
枚の歯１１の歯先面と両側の歯側面を挟む位置からプー
リ中心側に２枚のスリット１２を入れ、両スリット１２
の広幅底部にひずみゲージ１３を向い合わせ位置に貼り
付けて、歯１１の歯側面と歯先面にその歯１１の移動方
向に加わる歯横荷重を検出する検出器１４を構成してい
る。As shown in FIG.
Two slits 12 are formed on the pulley center side from the position where the tooth crest of one tooth 11 and the tooth flanks on both sides are sandwiched.
A strain gauge 13 is attached to the wide bottom of the tooth 11 at the facing position to form a detector 14 for detecting the lateral tooth load applied to the tooth side surface and the tooth tip surface of the tooth 11 in the moving direction of the tooth 11.
【００１７】また、駆動プーリ４には、図４に示すよう
に、他の１枚の歯１５の歯先面を挟む位置からプーリ中
心側に２枚のスリット１６を入れ、両スリット１６の広
幅底部にひずみゲージ１７を向い合わせ位置に貼り付け
て、歯１５の歯先面にその歯１５の移動方向に加わる歯
先荷重を検出する検出器１８を構成している。As shown in FIG. 4, the drive pulley 4 is provided with two slits 16 on the pulley center side from the position where the tooth tip surface of the other one tooth 15 is sandwiched, and both slits 16 have a wide width. A strain gauge 17 is attached to the bottom at the facing position to form a detector 18 that detects the tip load applied to the tooth tip surface of the tooth 15 in the moving direction of the tooth 15.
【００１８】また、駆動プーリ４には、図５に示すよう
に、更に他の１枚の歯１９の歯先面と両側の歯側面及び
両側の歯元面の半分を挟む位置からプーリ中心側に２枚
のスリット２０を入れ、両スリット２０の広幅底部にひ
ずみゲージ２１を向い合わせ位置に貼り付けて、歯１９
の歯側面と歯先面及び歯元面にその歯１９の移動方向に
加わる全歯荷重を検出する検出器２２を構成している。Further, as shown in FIG. 5, the drive pulley 4 is located at the center of the pulley from the position where the tooth crest of another tooth 19 is sandwiched between the tooth flanks on both sides and half of the tooth roots on both sides. Insert two slits 20 into each of the slits 20 and attach the strain gauges 21 to the wide bottoms of both slits 20 at the facing positions to form the teeth 19
The detector 22 is configured to detect the total tooth load applied to the tooth side surface, the tooth crest surface, and the tooth root surface in the moving direction of the tooth 19.
【００１９】ベルト張力検出器９とプーリ回転検出器１
０は、図１と図２に示すように、演算装置２３に接続し
ている。歯横荷重検出器１４と歯先荷重検出器１８及び
全歯荷重検出器２２は、図１と図２に示すように、スリ
ップリング２４を介して演算装置２３に接続している。
演算装置２３は、図６に示すように、表示装置２５に接
続している。Belt tension detector 9 and pulley rotation detector 1
0 is connected to the arithmetic unit 23 as shown in FIGS. 1 and 2. The tooth lateral load detector 14, the addendum load detector 18, and the total tooth load detector 22 are connected to a computing device 23 via a slip ring 24, as shown in FIGS.
The arithmetic device 23 is connected to the display device 25, as shown in FIG.
【００２０】歯横荷重検出器１４が検出する歯横荷重
は、駆動プーリ４の歯１１がベルト８の歯に噛み込む
と、図６に示すように、零から減少して負になり、最小
値に達して増加し、正になって、最大値に達して減少
し、噛み離れると、零になる。なお、駆動プーリ４とベ
ルト８の歯の形状などによっては、正と負が逆になる場
合もある。The tooth lateral load detected by the tooth lateral load detector 14 decreases from zero and becomes negative, as shown in FIG. 6, when the teeth 11 of the drive pulley 4 bite into the teeth of the belt 8 and becomes minimum. The value reaches and increases, becomes positive, reaches the maximum value and decreases, and becomes zero when biting away. Depending on the tooth shapes of the drive pulley 4 and the belt 8, the positive and negative may be reversed.
【００２１】歯先荷重検出器１８が検出する歯先荷重
と、全歯荷重検出器２２が検出する全歯荷重も、図６に
示すように、歯横荷重検出器１４が検出する歯横荷重と
定性的に同様に変化する。The tooth tip load detected by the tooth tip load detector 18 and the total tooth load detected by the total tooth load detector 22 are also the lateral tooth load detected by the lateral tooth load detector 14 as shown in FIG. And changes qualitatively as well.
【００２２】演算装置２３は、歯横荷重検出器１４が検
出する歯横荷重、歯先荷重検出器１８が検出する歯先荷
重と、全歯荷重検出器２２が検出する全歯荷重につい
て、それぞれ、その最小値の絶対値と最大値の絶対値の
和の半分（平均値）を駆動プーリ４の複数回転、実施例
では１００回転について求めてこれらの平均値を算出す
る。また、全歯荷重検出器２２が検出する全歯荷重荷重
について、駆動プーリ４の歯１９とベルト８の歯の噛み
合い期間の積分値（平均値）を駆動プーリ４の複数回
転、実施例では１００回転について求めてこれらの平均
値を算出する。The arithmetic unit 23 respectively calculates the lateral tooth load detected by the lateral tooth load detector 14, the tooth tip load detected by the tooth tip load detector 18, and the total tooth load detected by the total tooth load detector 22. Then, half of the sum of the absolute value of the minimum value and the absolute value of the maximum value (average value) is obtained for a plurality of rotations of the drive pulley 4, 100 rotations in the embodiment, and these average values are calculated. Further, for the total tooth load load detected by the total tooth load detector 22, the integral value (average value) of the meshing period of the teeth 19 of the drive pulley 4 and the teeth of the belt 8 is calculated as a plurality of rotations of the drive pulley 4, 100 in the embodiment. The average of these values is calculated by obtaining the rotation.
【００２３】表示装置２５は、演算装置２３が算出した
上記の各平均値を歯付きベルト伝動機構４，５，８の噛
み合いによる騒音レベルとして表示する。また、ベルト
張力検出器９が検出するベルト８の張力と、プーリ回転
検出器１０が検出する駆動プーリ４の回転速度を表示す
る。また、上記の各平均値を算出する際の駆動プーリ４
の回転数、実施例では１００回転を表示する。The display device 25 displays the respective average values calculated by the calculation device 23 as a noise level due to the meshing of the toothed belt transmission mechanisms 4, 5, 8. Further, the tension of the belt 8 detected by the belt tension detector 9 and the rotation speed of the drive pulley 4 detected by the pulley rotation detector 10 are displayed. In addition, the drive pulley 4 when calculating the above average values
The number of revolutions of 100 rpm is displayed in the embodiment.
【００２４】歯付きベルト伝動機構４，５，８の噛み合
いによる騒音レベルは、ベルト８の張力と駆動プーリ４
の回転速度によって変化する一方、図７に示すように、
歯横荷重の最小値の絶対値と最大値の絶対値の平均値に
比例し、その平均値との間に相関がある。また、図８と
図９に示すように、歯先荷重，全歯荷重の最小値の絶対
値と最大値の絶対値の平均値にそれぞれ比例し、その平
均値との間にそれぞれ相関がある。また、図１０に示す
ように、全歯荷重の歯の噛み合い期間の平均値に比例
し、その平均値との間に相関がある。The noise level due to the meshing of the toothed belt transmission mechanisms 4, 5 and 8 depends on the tension of the belt 8 and the drive pulley 4.
While it changes depending on the rotation speed of, as shown in FIG.
It is proportional to the average of the absolute values of the minimum and maximum values of the lateral tooth load, and has a correlation with the average value. Further, as shown in FIGS. 8 and 9, the tooth tip load is proportional to the average value of the absolute value of the minimum value and the absolute value of the maximum value of all tooth loads, and there is a correlation between the average values. . Further, as shown in FIG. 10, it is proportional to the average value of the tooth engagement period of all tooth loads, and there is a correlation with the average value.
【００２５】なお、図７〜図１０において、低周波騒音
は、歯付きベルト伝動機構４，５，８の噛み合いによる
１次，２次，３次振動に対応する噛み合い次数騒音であ
り、概略３ｋＨｚ以下の低周波の騒音である。高周波騒
音は、その他の騒音であり、３ｋＨｚを越える高周波の
騒音である。In FIGS. 7 to 10, the low frequency noise is meshing order noise corresponding to primary, secondary and tertiary vibrations due to meshing of the toothed belt transmission mechanisms 4, 5, 8 and is approximately 3 kHz. The following low frequency noise. The high frequency noise is other noise and is a high frequency noise exceeding 3 kHz.
【００２６】本例の騒音評価試験機においては、駆動モ
ータ２を駆動して歯付きベルト伝動機構４，５，８を作
動し、表示装置２５が表示する歯横荷重，歯先荷重や全
歯荷重などの値から歯付きベルト伝動機構４，５，８の
噛み合いによる騒音レベルを評価する。In the noise evaluation tester of this example, the drive motor 2 is driven to operate the toothed belt transmission mechanisms 4, 5, and 8, and the tooth lateral load, the tip load, and all teeth displayed by the display device 25 are displayed. The noise level due to the meshing of the toothed belt transmission mechanisms 4, 5 and 8 is evaluated from the values of the load and the like.
【００２７】例えば、２本のベルトについて、ベルト張
力やプーリ回転速度などの条件を同一にして、それぞ
れ、騒音評価試験を行なった場合、一方のベルトの方が
表示装置２５の表示する歯横荷重，歯先荷重や全歯荷重
の値が高ければ、その条件では、そのベルトの方が噛み
合いによる騒音レベルが高い、と評価する。For example, when two belts are subjected to a noise evaluation test under the same conditions such as belt tension and pulley rotation speed, one of the belts has a tooth lateral load displayed by the display device 25. If the value of the tooth tip load or the total tooth load is high, it is evaluated that the belt has a higher noise level due to meshing under that condition.
【００２８】＜第２例＞本例は、実際の装置である自動
車用エンジンの歯付きベルト伝動機構の騒音レベルを評
価する装置である。<Second Example> This example is an apparatus for evaluating the noise level of a toothed belt transmission mechanism of an automobile engine which is an actual apparatus.
【００２９】この装置は、自動車用エンジンの歯付きベ
ルト伝動機構のテンションローラ部に前例におけるのと
同様なベルト張力検出器を取り付け、エンジンのクラン
ク軸即ち歯付きベルト伝動機構の駆動軸部に前例におけ
るのと同様なプーリ回転検出器を取り付け、歯付きベル
ト伝動機構の駆動プーリに前例におけるのと同様な歯横
荷重検出器、歯先荷重検出器と全歯荷重検出器を取り付
ける。In this device, a belt tension detector similar to that in the preceding example is attached to the tension roller portion of the toothed belt transmission mechanism of the automobile engine, and the crankshaft of the engine, that is, the drive shaft portion of the toothed belt transmission mechanism, is mounted in the preceding example. A pulley rotation detector similar to that in 1) is attached, and a tooth lateral load detector, a tip load detector, and an all-tooth load detector similar to those in the previous example are attached to the drive pulley of the toothed belt transmission mechanism.
【００３０】各検出器は、前例におけるのと同様な演算
装置に接続し、演算装置を前例におけるのと同様な表示
装置に接続する。Each detector is connected to the same arithmetic unit as in the previous example, and the arithmetic unit is connected to the same display unit as in the previous example.
【００３１】エンジンを駆動して歯付きベルト伝動機構
を作動し、表示装置が表示する前例におけるのと同様な
値から歯付きベルト伝動機構の噛み合いによる騒音レベ
ルを評価する。The engine is driven to operate the toothed belt transmission mechanism, and the noise level due to the meshing of the toothed belt transmission mechanism is evaluated from the same value as in the previous example displayed by the display device.
【００３２】＜その他の例＞ １）歯荷重検出器１４，１８，２２は、従動プーリ５に
取り付ける。<Other Examples> 1) The tooth load detectors 14, 18 and 22 are attached to the driven pulley 5.
【００３３】２）歯荷重検出器は、歯横荷重検出器１
４，歯先荷重検出器１８と全歯荷重検出器２２の１種ま
たは２種にする。2) The tooth load detector is the tooth lateral load detector 1
4, 1 type or 2 types of the tooth tip load detector 18 and the total tooth load detector 22.
【図１】本発明の実施の形態の第１例の歯付きベルト伝
動機構の騒音評価試験機の正面図。FIG. 1 is a front view of a noise evaluation tester for a toothed belt transmission mechanism according to a first example of an embodiment of the present invention.
【図２】同例の歯付きベルト伝動機構の騒音評価試験機
の平面図。FIG. 2 is a plan view of a noise evaluation tester for a toothed belt transmission mechanism of the same example.
【図３】同例の歯付きベルト伝動機構の騒音評価試験機
における歯横荷重検出器部分の拡大斜視図。FIG. 3 is an enlarged perspective view of a tooth lateral load detector portion in the noise evaluation tester for the toothed belt transmission mechanism of the same example.
【図４】同例の歯付きベルト伝動機構の騒音評価試験機
における歯先荷重検出器部分の拡大斜視図。FIG. 4 is an enlarged perspective view of a tooth tip load detector portion in the noise evaluation tester for the toothed belt transmission mechanism of the example.
【図５】同例の歯付きベルト伝動機構の騒音評価試験機
における全歯荷重検出器部分の拡大斜視図。FIG. 5 is an enlarged perspective view of an all-tooth load detector portion in the noise evaluation tester for the toothed belt transmission mechanism of the same example.
【図６】同例の歯付きベルト伝動機構の騒音評価試験機
のブロック線図。FIG. 6 is a block diagram of a noise evaluation tester for a toothed belt transmission mechanism of the same example.
【図７】同例の歯付きベルト伝動機構の噛み合いによる
騒音レベルと歯横荷重の関係を示す線図。FIG. 7 is a diagram showing a relationship between a noise level and a lateral tooth load due to meshing of the toothed belt transmission mechanism of the same example.
【図８】同例の歯付きベルト伝動機構の噛み合いによる
騒音レベルと歯先荷重の関係を示す線図。FIG. 8 is a diagram showing a relationship between noise level and tooth tip load due to meshing of the toothed belt transmission mechanism of the same example.
【図９】同例の歯付きベルト伝動機構の噛み合いによる
騒音レベルと全歯荷重の関係を示す線図。FIG. 9 is a diagram showing the relationship between the noise level and the total tooth load due to meshing of the toothed belt transmission mechanism of the same example.
【図１０】同例の歯付きベルト伝動機構の噛み合いによ
る騒音レベルと全歯荷重の関係を示す線図。FIG. 10 is a diagram showing the relationship between the noise level and the total tooth load due to the meshing of the toothed belt transmission mechanism of the same example.
４ 歯付きの駆動プーリ ５ 歯付きの従動プーリ ８ 歯付きのベルト １４ 歯横荷重検出器，歯荷重検出器 １８ 歯先荷重検出器，歯荷重検出器 ２２ 全歯荷重検出器，歯荷重検出器 ２３ 演算装置 ２５ 表示装置 4 Drive pulley with tooth 5 Driven pulley with tooth 8 Belt with tooth 14 Lateral tooth load detector, Tooth load detector 18 Tooth tip load detector, Tooth load detector 22 All tooth load detector, Tooth load detector 23 computing device 25 display device
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中村 真夕 愛知県愛知郡長久手町大字長湫字横道41番 地の１ 株式会社豊田中央研究所内 (72)発明者 山本 憲一 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Mayu Nakamura Ai Prefecture, Nagakute Town, Aichi Prefecture, Oita, Nagakage 1 41 of Yokomichi Toyota Central Research Institute Co., Ltd. (72) Inventor Kenichi Yamamoto 1 Toyota Town, Toyota City, Aichi Prefecture Inside Toyota Motor Corporation
Claims (4)
の噛み合いによりプーリの歯に加わる荷重を検出し、ベ
ルトとプーリの噛み合いによる騒音レベルと相関のある
プーリの歯荷重に基づいて、ベルトとプーリの噛み合い
による騒音レベルを評価することを特徴とする歯付きベ
ルト伝動機構の騒音評価方法。1. A toothed belt transmission mechanism detects the load applied to the teeth of a pulley by meshing between the belt and the pulley, and based on the tooth load of the pulley that correlates with the noise level due to the meshing between the belt and the pulley, the belt and the pulley. A noise evaluation method for a toothed belt transmission mechanism, which is characterized by evaluating a noise level due to meshing of teeth.
の噛み合いによりプーリの歯に加わる荷重を検出する歯
荷重検出器を設け、歯荷重検出器の出力からベルトとプ
ーリの噛み合いによる騒音レベルと相関のあるプーリの
歯荷重を求める演算装置を設け、演算装置の出力を表示
する表示装置を設けたことを特徴とする歯付きベルト伝
動機構の騒音評価装置。2. A tooth load detector for detecting a load applied to the teeth of the pulley by meshing between the belt and the pulley of the toothed belt transmission mechanism is provided, and the output of the tooth load detector correlates with a noise level due to meshing between the belt and the pulley. A noise evaluation device for a toothed belt transmission mechanism, comprising a calculation device for determining the tooth load of a certain pulley, and a display device for displaying the output of the calculation device.
側面と歯先面にその歯の移動方向に加わる歯横荷重，歯
の歯先面にその歯の移動方向に加わる歯先荷重と，歯の
歯側面と歯先面及び歯元面にその歯の移動方向に加わる
全歯荷重の１種または２種であることを特徴とする請求
項２に記載の歯付きベルト伝動機構の騒音評価装置。3. The load detected by the tooth load detector is a lateral tooth load applied to the tooth side surface and the tooth crest surface of the tooth in the moving direction of the tooth, and a tooth tip applied to the tooth crest surface of the tooth in the moving direction of the tooth. 3. The toothed belt transmission mechanism according to claim 2, wherein the load is one or two of a total tooth load applied to a tooth side surface, a tooth tip surface and a tooth root surface of a tooth in a moving direction of the tooth. Noise evaluation device.
小値の絶対値と最大値の絶対値の平均値または噛み合い
期間の平均値であることを特徴とする請求項２または３
に記載の歯付きベルト伝動機構の騒音評価装置。4. The tooth load of the pulley calculated by the arithmetic unit is an average of absolute values of minimum value and maximum value or average value of meshing period.
A noise evaluation device for a toothed belt transmission mechanism according to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7202033A JPH0949786A (en) | 1995-08-08 | 1995-08-08 | Method and device for estimation of noise of toothed belt driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7202033A JPH0949786A (en) | 1995-08-08 | 1995-08-08 | Method and device for estimation of noise of toothed belt driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0949786A true JPH0949786A (en) | 1997-02-18 |
Family
ID=16450825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7202033A Pending JPH0949786A (en) | 1995-08-08 | 1995-08-08 | Method and device for estimation of noise of toothed belt driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0949786A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042838A (en) * | 2001-07-31 | 2003-02-13 | Mitsuboshi Belting Ltd | Method for measuring vibration in auto tensioner |
| US6882945B2 (en) * | 2002-02-27 | 2005-04-19 | Mitsuboshi Belting Ltd. | Method, apparatus, and program for estimating noise generation for a synchronous belt |
| CN105588635A (en) * | 2015-12-16 | 2016-05-18 | 重庆长安汽车股份有限公司 | Test method for testing sound quality of optimized timing belt and capable of adjusting position and tensile force of tensioning wheel |
| CN105675293A (en) * | 2015-12-31 | 2016-06-15 | 北京金风科创风电设备有限公司 | Testing tool and system for pitch-variable toothed belt of wind generating set |
| CN110987454A (en) * | 2019-12-23 | 2020-04-10 | 奇瑞汽车股份有限公司 | Test method and device for reducing vehicle noise, test equipment and storage medium |
-
1995
- 1995-08-08 JP JP7202033A patent/JPH0949786A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042838A (en) * | 2001-07-31 | 2003-02-13 | Mitsuboshi Belting Ltd | Method for measuring vibration in auto tensioner |
| US6882945B2 (en) * | 2002-02-27 | 2005-04-19 | Mitsuboshi Belting Ltd. | Method, apparatus, and program for estimating noise generation for a synchronous belt |
| CN105588635A (en) * | 2015-12-16 | 2016-05-18 | 重庆长安汽车股份有限公司 | Test method for testing sound quality of optimized timing belt and capable of adjusting position and tensile force of tensioning wheel |
| CN105588635B (en) * | 2015-12-16 | 2018-07-13 | 重庆长安汽车股份有限公司 | Adjust the test method of tensioning wheel position and tensile force optimization Timing Belt sound quality |
| CN105675293A (en) * | 2015-12-31 | 2016-06-15 | 北京金风科创风电设备有限公司 | Testing tool and system for pitch-variable toothed belt of wind generating set |
| CN110987454A (en) * | 2019-12-23 | 2020-04-10 | 奇瑞汽车股份有限公司 | Test method and device for reducing vehicle noise, test equipment and storage medium |
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